Summary statistics for spch_pthlgst_cntrct_cnt variable in pos2016 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
spch_~ct_cnt |     38,674    .3272141    7.380745          0     999.99

by Jean Roth , jroth@nber.org , 10 Jan 2017